Design of Green Tea Drying System Using Smoke and Temperature Sensors Based on Microcontroller

Abstract

The green tea drying process still uses wood as its fuel because it can reduce production costs. However, the smoke produced by the bottom firewood enters the drying chamber, thus affecting the quality of the green tea produced. Therefore, it is necessary to have a drying system that can detect and control the smoke entering the drying chamber and control the temperature during the drying process. The tea drying system is designed using a smoke sensor and a temperature sensor based on a microcontroller. This system is also equipped with an RH sensor that can monitor the RH value during the drying process. From the device performance test results, it was found that the system designed can control the smoke and temperature in the drying chamber to be applied to the green tea drying process in tea factories.